Finding the Fourth Proportional to 21,753, 30,036.42 and 17,061.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,753 : 30,036.42 = 17,061.48 : x
2. Step 2: Convert to fraction form
   21,753/30,036.42 = 17,061.48/x
3. Step 3: Cross multiply
   21,753x = 30,036.42 × 17,061.48
4. Step 4: Simplify right side
   21,753x = 512,465,779.10
5. Step 5: Solve for x
   x = 512,465,779.10/21,753
6. Step 6: Final answer
   x = 23,558.40